Barter Island Weather Forecast

    • 49
    • 52

    Rain Showers

    • 40
    • 56

    Mostly Sunny

    • 44
    • 48

    Rain Showers Likely

    • 48
    • 49

    Chance Rain Showers

    • 45
    • 53

    Chance Rain Showers

    • 42
    • 51

    Partly Sunny

Today 29 Apr Knox

Mostly sunny. Highs in the upper 60s. South Winds 10 to 15 Mph. Gusts up to 30 Mph this afternoon.

Tonight 29 Apr Knox

Partly cloudy in the Evening, then becoming mostly cloudy. A 40 percent chance of Showers. Lows in the lower 50s. Southwest Winds 10 to 15 Mph with Gusts up to 35 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Barter Island Temperature Statistics

April Temperature

Rockland, Knox County Regional Airport (14.9 miles)

  • Lowest 10 April, 2025

    21.9 °F

  • Average April

    41.5 °F

  • Highest 24 April, 2025

    60.1 °F

Climate (2020–Present)

Rockland, Knox County Regional Airport (14.9 miles)

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  • Average Low 2020–2025

    39.9 °F

  • Average 2020–2025

    48 °F

  • Average High 2020–2025

    55.3 °F
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